Finding the Fourth Proportional to 5,104,895.79, 7,044,803.45 and 2,813,138.49
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Solution
The fourth proportional to 5,104,895.79, 7,044,803.45 and 2,813,138.49 is: 3,882,157.16
Step by Step Solution
- Step 1: Write the proportion equation
5,104,895.79 : 7,044,803.45 = 2,813,138.49 : x - Step 2: Convert to fraction form
5,104,895.79/7,044,803.45 = 2,813,138.49/x - Step 3: Cross multiply
5,104,895.79x = 7,044,803.45 × 2,813,138.49 - Step 4: Simplify right side
5,104,895.79x = 19,818,007,739,679.79 - Step 5: Solve for x
x = 19,818,007,739,679.79/5,104,895.79 - Step 6: Final answer
x = 3,882,157.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.